It is connected to the required position of drilling stem to protect drilling stem without any influence on the normal working of drilling tool.

将它连接于所用钻柱的需要部位，保护钻柱、不影响钻具正常工作。

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An approximate position of the Huaiyin-Xiangshui fault has been determined on the basis of an analysis of data of drilling and shallow seismic prospecting in the urban area of Huaian City.

通过分析淮安城区内钻探和浅层人工地震勘探资料，确定了淮阴-响水断裂的大致位置。

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It is believed that drilling failure is due to the high structural position of the drilled trap, strong denudation and poor oil and gas. preservation conditions.

研究认为钻探失利是所钻圈闭构造位置较高、剥蚀强烈、油气保存条件差所致。

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Today he announced that he had removed Andy Inglis from his position as Head of Drilling.

FORBES: BP's Dudley Cleans House Post-Deepwater Debacle

The senator from Arizona outlined an energy plan that would include lifting the ban on offshore drilling for oil, a reversal of his position during his 2000 campaign.

CNN: Ties to Bush on offshore drilling may hurt McCain this fall